mimalloc
v0.1.52 GrowingPerformance and security oriented drop-in allocator
Quick Verdict
- ✓Actively maintained (updated 52d ago)
- !Pre-1.0: API may have breaking changes
- ✓Massive adoption (13.3K crates depend on it)
- ✓Tiny footprint (5KB, 1 deps)
- ✓Permissive license (MIT)
Security
Deep Insights
4.3M downloads in the last 30 days (143.4K/day), up 22% from the previous period.
13.3K crates depend on mimalloc — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.
mimalloc has only 1 owner despite 13.3K dependents. This is a bus-factor concern — consider the implications for long-term support.
Despite being 7+ years old, mimalloc hasn't reached 1.0 yet. Expect potential API changes between versions.
Only 1 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.
At 5KB, mimalloc is lightweight. Small crate size correlates with focused, well-scoped functionality.
23% of releases have been yanked. Check version history before pinning.
Notable dependents include aws-smithy-eventstream, epaint, ark-relations, encase, parity-util-mem. When high-quality crates choose mimalloc, it's a strong quality signal.
Health Breakdown
Recency, release consistency, active ratio
Yanked ratio, deps, size, maturity, features
Reverse deps, ownership, ecosystem
Downloads, momentum, growth trend
Docs, repo, license, metadata